Kourtney Kardashian marked her sister Kim Kardashian's 45th birthday on Tuesday, Oct. 21 by sharing rare photos of the two on Instagram.

The reality star stunned in a Vintage Givenchy Haute Couture piece as she celebrated her big day with a night out in Paris.

Following the Paris premiere event for Kim Kardashian's 'All's Fair,' the multi-hyphenate was spotted going out to celebrate ...

For Kim Kardashian's 45th birthday, the multihyphenate celebrated with a major bash in Paris following the premiere of her upcoming Hulu legal drama, All's Fair.

Kim Kardashian, celebrating her 45th birthday, purchased a $7 million property next to her Los Angeles home. The reality star ...

For the red-carpet event, Kardashian commemorated all the festivities by putting together a fabulous icy-blue look that she ...

Kim Kardashian hits the beach for a bikini photo shoot in Miami in 2016. She wore neon bikini bottoms, along with a sheer ...